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Re: Power Probe
Posted to Tool & Equipment Forum on 3/18/2019 8 Replies

You might find some obscure situation where it would work, but for the most part, no, it won't work. The Vref from the ECM is isolated from B+, separate power supply. So while YOU see five volts, the ECU sees nothing. What you see indicated on the tool is rela... Login to read more.

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